66577483154 has 48 divisors (see below), whose sum is σ = 125947143000. Its totient is φ = 26161502976.

The previous prime is 66577483111. The next prime is 66577483199. The reversal of 66577483154 is 45138477566.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13986610225 + 52590872929 = 118265^2 + 229327^2 .

It is a super-2 number, since 2×66577483154² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66577483154.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14462 + ... + 365190.

Almost surely, 2^66577483154 is an apocalyptic number.

66577483154 is a deficient number, since it is larger than the sum of its proper divisors (59369659846).

66577483154 is a wasteful number, since it uses less digits than its factorization.

66577483154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350907 (or 350900 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 56.

The spelling of 66577483154 in words is "sixty-six billion, five hundred seventy-seven million, four hundred eighty-three thousand, one hundred fifty-four".